Validation of sea ice concentration - American sector
Bulletin date: 2022-10-20
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-14:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11505 |
8564 |
736 |
652 |
155 |
8 |
0 |
0 |
| OW |
22 |
255 |
189 |
540 |
505 |
48 |
0 |
0 |
| VODI |
2 |
43 |
30 |
199 |
616 |
488 |
10 |
0 |
| ODI |
0 |
2 |
1 |
40 |
310 |
670 |
71 |
0 |
| CDI |
0 |
0 |
0 |
0 |
216 |
1093 |
283 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
24 |
1860 |
13460 |
3268 |
|
...date precedes bulletin
|
Date: 2022-10-16:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10540 |
8519 |
820 |
647 |
160 |
9 |
0 |
0 |
| OW |
1 |
266 |
256 |
661 |
546 |
100 |
2 |
0 |
| VODI |
0 |
67 |
31 |
206 |
592 |
431 |
17 |
0 |
| ODI |
0 |
1 |
0 |
13 |
199 |
700 |
93 |
0 |
| CDI |
0 |
0 |
0 |
5 |
108 |
861 |
351 |
0 |
| VCDI |
0 |
0 |
1 |
0 |
70 |
1404 |
13519 |
4670 |
|
...date precedes bulletin
|
Date: 2022-10-18:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12430 |
5908 |
693 |
500 |
198 |
16 |
0 |
0 |
| OW |
0 |
289 |
197 |
410 |
216 |
35 |
0 |
0 |
| VODI |
0 |
38 |
63 |
399 |
570 |
118 |
0 |
0 |
| ODI |
0 |
0 |
1 |
97 |
785 |
338 |
0 |
0 |
| CDI |
0 |
0 |
1 |
27 |
378 |
1179 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
84 |
2505 |
10513 |
7772 |
|
...date precedes bulletin
|
Date: 2022-10-20:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11056 |
6649 |
541 |
650 |
189 |
10 |
0 |
0 |
| OW |
1 |
657 |
177 |
378 |
214 |
23 |
0 |
0 |
| VODI |
0 |
264 |
93 |
318 |
493 |
71 |
0 |
0 |
| ODI |
0 |
54 |
39 |
244 |
574 |
219 |
0 |
0 |
| CDI |
0 |
11 |
18 |
130 |
381 |
718 |
61 |
6 |
| VCDI |
0 |
0 |
0 |
34 |
210 |
3174 |
7852 |
10357 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11044 |
6973 |
564 |
636 |
196 |
8 |
0 |
0 |
| OW |
13 |
436 |
142 |
357 |
164 |
7 |
0 |
0 |
| VODI |
0 |
170 |
113 |
399 |
546 |
93 |
0 |
0 |
| ODI |
0 |
47 |
38 |
258 |
604 |
239 |
1 |
0 |
| CDI |
0 |
8 |
11 |
80 |
331 |
731 |
67 |
5 |
| VCDI |
0 |
1 |
0 |
24 |
220 |
3137 |
7845 |
10358 |
|
Date: 2022-10-22:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12959 |
3988 |
403 |
393 |
311 |
3 |
0 |
0 |
| OW |
13 |
570 |
221 |
532 |
555 |
30 |
0 |
0 |
| VODI |
0 |
270 |
136 |
241 |
630 |
113 |
0 |
0 |
| ODI |
0 |
13 |
47 |
159 |
533 |
276 |
0 |
0 |
| CDI |
0 |
0 |
15 |
107 |
281 |
664 |
54 |
0 |
| VCDI |
0 |
0 |
6 |
55 |
260 |
2327 |
9482 |
10219 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12956 |
3976 |
402 |
469 |
377 |
7 |
0 |
0 |
| OW |
16 |
654 |
255 |
463 |
444 |
23 |
0 |
0 |
| VODI |
0 |
207 |
132 |
291 |
659 |
109 |
0 |
0 |
| ODI |
0 |
4 |
20 |
133 |
535 |
352 |
0 |
0 |
| CDI |
0 |
0 |
12 |
78 |
296 |
670 |
83 |
0 |
| VCDI |
0 |
0 |
7 |
53 |
259 |
2252 |
9453 |
10219 |
|
Date: 2022-10-24:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10262 |
6326 |
619 |
462 |
253 |
27 |
0 |
0 |
| OW |
11 |
329 |
239 |
408 |
133 |
14 |
0 |
0 |
| VODI |
0 |
72 |
59 |
473 |
522 |
55 |
0 |
0 |
| ODI |
0 |
0 |
3 |
111 |
828 |
512 |
0 |
0 |
| CDI |
0 |
0 |
0 |
49 |
246 |
1418 |
37 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
166 |
2006 |
7973 |
12225 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10243 |
5963 |
475 |
473 |
325 |
47 |
0 |
0 |
| OW |
30 |
578 |
268 |
268 |
268 |
72 |
0 |
0 |
| VODI |
0 |
180 |
142 |
522 |
692 |
384 |
0 |
0 |
| ODI |
0 |
6 |
23 |
106 |
317 |
386 |
0 |
0 |
| CDI |
0 |
0 |
10 |
68 |
212 |
664 |
13 |
0 |
| VCDI |
0 |
0 |
2 |
94 |
334 |
2479 |
7997 |
12225 |
|
Date: 2022-10-26:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6880 |
8254 |
827 |
641 |
341 |
180 |
0 |
0 |
| OW |
7 |
340 |
227 |
535 |
175 |
57 |
0 |
0 |
| VODI |
0 |
116 |
82 |
402 |
502 |
84 |
0 |
0 |
| ODI |
0 |
5 |
4 |
98 |
689 |
255 |
0 |
0 |
| CDI |
0 |
1 |
0 |
33 |
460 |
938 |
30 |
0 |
| VCDI |
0 |
1 |
0 |
20 |
254 |
2358 |
8635 |
12435 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6845 |
7831 |
678 |
617 |
352 |
229 |
0 |
0 |
| OW |
38 |
593 |
249 |
253 |
191 |
56 |
0 |
0 |
| VODI |
4 |
262 |
181 |
597 |
631 |
301 |
0 |
0 |
| ODI |
0 |
27 |
21 |
138 |
621 |
506 |
8 |
0 |
| CDI |
0 |
3 |
11 |
65 |
237 |
501 |
42 |
0 |
| VCDI |
0 |
1 |
0 |
59 |
389 |
2279 |
8615 |
12435 |
|
Date: 2022-10-28:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7950 |
6124 |
683 |
501 |
388 |
199 |
0 |
0 |
| OW |
14 |
430 |
241 |
655 |
231 |
125 |
5 |
0 |
| VODI |
17 |
140 |
80 |
326 |
552 |
194 |
0 |
0 |
| ODI |
0 |
13 |
15 |
117 |
478 |
334 |
0 |
0 |
| CDI |
0 |
0 |
0 |
72 |
363 |
647 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
199 |
2398 |
7043 |
15288 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7762 |
5819 |
578 |
534 |
407 |
219 |
0 |
0 |
| OW |
194 |
532 |
226 |
394 |
148 |
151 |
5 |
0 |
| VODI |
25 |
320 |
177 |
505 |
645 |
361 |
0 |
0 |
| ODI |
0 |
35 |
32 |
124 |
379 |
681 |
45 |
0 |
| CDI |
0 |
1 |
6 |
75 |
308 |
641 |
119 |
0 |
| VCDI |
0 |
0 |
0 |
45 |
324 |
1844 |
6917 |
15288 |
|
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